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IFRA Standard: p-tert-Butyl-α-methylhydrocinnamic aldehyde (p-BMHCA)

IFRA’s Standard on p-BMHCA is a restriction with a prohibition for two product categories: the industry’s own rule, not law.

Not advice An educational summary of a public standard, as of 2026-09-30; not compliance advice. Read the current text at the source.

The property it manages is dermal sensitization and systemic toxicity. This page names the kind of limit; the figures per product category are at the source, which is the text to read.

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The record

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Name
IFRA Standard: p-tert-Butyl-α-methylhydrocinnamic aldehyde (p-BMHCA)
documented

Amendment 49 p-tert-Butyl-α-methylhydrocinnamic aldehyde (p-BMHCA)

IFRA-015 · International Fragrance Association (IFRA) · read 2026-09-30

confidence A

Body
IFRA (the industry’s self-regulation; not law)
documented

Amendment 49 p-tert-Butyl-α-methylhydrocinnamic aldehyde (p-BMHCA)

IFRA-015 · International Fragrance Association (IFRA) · read 2026-09-30

confidence A

Instrument
IFRA Standard (Amendment 49)
documented

Amendment 49 p-tert-Butyl-α-methylhydrocinnamic aldehyde (p-BMHCA)

IFRA-015 · International Fragrance Association (IFRA) · read 2026-09-30

confidence A

Kind of rule
RESTRICTION / PROHIBITION
documented

RECOMMENDATION: RESTRICTION / PROHIBITION

IFRA-015 · International Fragrance Association (IFRA) · read 2026-09-30

confidence A

What drives it
dermal sensitization and systemic toxicity
documented

INTRINSIC PROPERTY DRIVING RISK MANAGEMENT: DERMAL SENSITIZATION AND SYSTEMIC TOXICITY

IFRA-015 · International Fragrance Association (IFRA) · read 2026-09-30

confidence A

In short
A restriction by maximum concentration in the finished product, per product category, with a prohibition for lipsticks and oral care products (IFRA Categories 1 and 6).
documented

FRAGRANCE INGREDIENT PROHIBITION: p-tert-Butyl-α-methylhydrocinnamic aldehyde (p- BMHCA) should not be used for any finished product application included under IFRA Categories 1 and 6 (lipsticks and oral care products).

IFRA-015 · International Fragrance Association (IFRA) · read 2026-09-30

confidence A

Dates
  • published (IFRA Amendment 49): 2020 (Amendment 49)
    documented

    History: Publication date: 2020 (Amendment 49)

    IFRA-015 · International Fragrance Association (IFRA) · read 2026-09-30

    confidence A

Applies to
As of
2026-09-30
read date

the house’s own reading, labelled as such

the date the public text was read for this summary; the text may have changed since

confidence B

The text
read the current text at the source
source

IFRA-015 · International Fragrance Association (IFRA) · read 2026-09-30

the current text is the one to read

confidence A

Teaching accords it touches
In history

Sources

  1. IFRA-015 · International Fragrance Association (IFRA). IFRA Standard: p-tert-Butyl-α-methylhydrocinnamic aldehyde (p-BMHCA), Amendment 49 (2020). Geneva: IFRA Standards Library. d3t14p1xronwr0.cloudfront.net/docs/standards/IFR… · read 2026-09-30 · published by IFRA; no reuse licence stated; quoted

These records are published under CC BY 4.0.

this record as data: /data/regulation/ifra-p-bmhca.json · version 1 · updated 2026-09-30 · confidence A